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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 6 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 2 |
| 1983 | 1 |
| 1985 | 2 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 10 |
| 2003 | 11 |
| 2004 | 10 |
| 2005 | 18 |
| 2006 | 24 |
| 2007 | 28 |
| 2008 | 40 |
| 2009 | 23 |
| 2010 | 32 |
| 2011 | 50 |
| 2012 | 59 |
| 2013 | 84 |
| 2014 | 55 |
| 2015 | 82 |
| 2016 | 68 |
| 2017 | 72 |
| 2018 | 92 |
| 2019 | 78 |
| 2020 | 90 |
| 2021 | 79 |
| 2022 | 85 |
| 2023 | 63 |
| 2024 | 23 |